diff --git a/cluster4npu_ui/core/functions/Multidongle.py b/cluster4npu_ui/core/functions/Multidongle.py
index 6e1c88b..8700f27 100644
--- a/cluster4npu_ui/core/functions/Multidongle.py
+++ b/cluster4npu_ui/core/functions/Multidongle.py
@@ -290,7 +290,7 @@ class MultiDongle:
 
         # setting timeout of the usb communication with the device
         print('[Set Device Timeout]')
-        # kp.core.set_timeout(device_group=self.device_group, milliseconds=5000)
+        kp.core.set_timeout(device_group=self.device_group, milliseconds=5000)
         print(' - Success')
 
         # if self.upload_fw:
diff --git a/cluster4npu_ui/ui/dialogs/deployment.py b/cluster4npu_ui/ui/dialogs/deployment.py
index abc20b3..e327bc7 100644
--- a/cluster4npu_ui/ui/dialogs/deployment.py
+++ b/cluster4npu_ui/ui/dialogs/deployment.py
@@ -877,19 +877,22 @@ Stage Configurations:
     def update_terminal_output(self, terminal_text: str):
         """Update the terminal output display with new text."""
         try:
-            # Append to terminal display (keep last 200 lines)
-            current_text = self.terminal_output_display.toPlainText()
-            lines = current_text.split('\n')
-            if len(lines) > 200:
-                lines = lines[-100:]  # Keep last 100 lines
-                current_text = '\n'.join(lines)
-            
-            self.terminal_output_display.setPlainText(current_text + terminal_text)
+            # Use append() instead of setPlainText() for better performance and no truncation
+            self.terminal_output_display.append(terminal_text.rstrip('\n'))
             
             # Auto-scroll to bottom
             scrollbar = self.terminal_output_display.verticalScrollBar()
             scrollbar.setValue(scrollbar.maximum())
             
+            # Optional: Limit total lines to prevent excessive memory usage
+            # Only trim if we have way too many lines (e.g., > 1000)
+            document = self.terminal_output_display.document()
+            if document.lineCount() > 1000:
+                cursor = self.terminal_output_display.textCursor()
+                cursor.movePosition(cursor.Start)
+                cursor.movePosition(cursor.Down, cursor.KeepAnchor, 200)  # Select first 200 lines
+                cursor.removeSelectedText()
+            
         except Exception as e:
             print(f"Error updating terminal output: {e}")